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A kind of prevention and treatment method of corn stalk rot in seed production

A technology of stalk rot and seed production corn, which is applied in the field of prevention and treatment of stalk rot of seed production corn, can solve the problems of ecological environment impact, general control effect, and plant drug resistance, etc., and achieves improved control effect and remarkable effect , the effect of protecting the ecological balance

Active Publication Date: 2021-04-16
GANSU RES INST OF AGRI ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the most effective control method for field corn is to select disease-resistant varieties, and the control of corn stalk rot in seed production is mostly concentrated in chemical agent coating or spraying. Control diseases; on the other hand, the extensive use of fungicides leads to resistance of plants and also affects the ecological environment

Method used

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  • A kind of prevention and treatment method of corn stalk rot in seed production
  • A kind of prevention and treatment method of corn stalk rot in seed production
  • A kind of prevention and treatment method of corn stalk rot in seed production

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Embodiment 1

[0049] Materials and methods

[0050] 1.1 Test material

[0051] 1) Tested species: Fusarium gramincarum (Fusarium gramincarum) (any strain of Fusarium gramincarum can complete the test), provided by the Plant Pathology Laboratory of Gansu Agricultural Engineering Technology Research Institute, cultured after isolation of single spores strains;

[0052] 2) Corn for testing: susceptible corn variety Jinnuo 205, provided by Gansu Huangyanghe Group Seed Industry Co., Ltd.;

[0053] 3) Silicon for testing: Tubaojia (si=70g / L), provided by Jiangmen Plant Protection Co., Ltd.;

[0054] 4) Test medicament: 4.23% cloconazole metalaxyl microemulsion (Dingmiaoxin), American Alistar Company; red, indyl, brassica WP, lecithin, vitamin E auxiliary agent (Anrongle ) SL (provided by Beijing Chenghe Jiaxin Agricultural Material Trading Co., Ltd.); 29.8% Thiadiazoides. ) and 3.5% fludioxonil · Jingjia (Manshijin), provided by Syngenta (Suzhou) Crop Protection Co., Ltd.; pyraclostrobin, pro...

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Abstract

The invention provides a method for preventing and treating stalk rot of seed production corn, which belongs to the technical field of crop disease prevention and control. The method for preventing and controlling comprises the following steps: 1) before sowing corn: coating corn seeds; The preparations include red-inb-brassica, pyraclostrobin, clothianidin and Polaroid; 2) corn trumpet stage: spraying the first preparation; the first preparation includes soluble silicon fertilizer, red. Indyl Brassica and foliage fertilizer; the foliar fertilizer includes amino acids and trace elements; 3) corn trumpet stage: spraying the second preparation; the second preparation includes red Indyl Brassica and pyridoxine Pyroxystrobin; 4) Maize kernel formation period: spraying the third preparation; the third preparation includes soluble silicon fertilizer, azoxystrobin benzstrobin and avi chlorantraniliprole. The prevention and control method of the invention can achieve 62.5% control effect on corn stalk rot and increase yield by 35.7%.

Description

technical field [0001] The invention relates to the technical field of crop disease prevention and control, in particular to a method for prevention and treatment of corn stalk rot in seed production. Background technique [0002] Corn stalk rot, also known as corn bacterial wilt, often causes early wilting of plants and the problem of shriveled and not full grains. The incidence of the disease is generally 10% to 25%, up to 48.6% in severe cases, which has caused great losses to farmers. [0003] The serious harm of maize stalk rot in the world has aroused the great attention of scholars, and the disease is particularly serious in the seed production maize area. At present, the most effective control method for field corn is to select disease-resistant varieties, and the control of corn stalk rot in seed production is mostly concentrated in chemical agent coating or spraying. Disease control; on the other hand, the extensive use of fungicides leads to resistance of plants...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/20A01G13/00A01C1/06A01N43/12A01N45/00A01N43/38A01N43/22A01N47/24A01N51/00A01N43/653A01N43/54A01N43/90A01N43/56A01P3/00A01P21/00
CPCA01C1/06A01G13/00A01N43/12A01N43/22A01N43/38A01N43/54A01N43/56A01N43/653A01N43/90A01N45/00A01N47/24A01N51/00A01G22/20
Inventor 杨克泽任宝仓马金慧吴之涛陈志国高正睿
Owner GANSU RES INST OF AGRI ENG TECH